Utilizing phase modulator and dispersion compensation fiber (DCF) link, a non-return-zero (NRZ) data format is converted to return-zero (RZ) data format with tunable duty ratio.

提出了利用相位调制器和色散补偿光纤(DCF)把非归零(NRZ)码信号转换成为占空比可调的归零(RZ)码信号的方案。

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This paper optimize the conventional design method of the dispersion compensation fiber (DCF) and related arithmetic, and getting some valuable conclusions.

文章对DCF的传统设计方案及其有关算法作了改进，具有较高的实用价值。

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